Port Washington, WI Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Port Washington, WI in one place.
Showers and thunderstorms likely. Mostly cloudy, with a high near 68. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Port Washington, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 3:35 PM CDT.
The active forecast window currently covers Apr 12 to Apr 15, 2026 for Port Washington, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:35 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Washington
Monday looks like the warmest upcoming period in Port Washington at 72 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Sunday Night at about 20 to 25 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:35 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 80%.
Rain showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
A chance of rain showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Showers And Thunderstorms Likely
|
68°F |
15 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
58°F |
20 to 25 mph
SW
|
|
Monday
Apr 13
|
Chance Rain Showers
|
72°F |
15 to 20 mph
SW
|
|
Monday Night
Apr 13
|
Showers And Thunderstorms Likely
|
54°F |
10 to 15 mph
SW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
67°F |
15 mph
S
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
49°F |
15 mph
S
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
63°F |
15 to 20 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
45°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Washington.
